/**
 * Escapes a string for safe use inside a double-quoted HTML attribute value.
 *
 * @param value Raw attribute value.
 * @returns Escaped attribute-safe string.
 */
export declare function escapeHtmlAttribute(value: string): string;
/**
 * Escapes a string for safe use as XML text content (e.g. `<loc>` values).
 *
 * @param value Raw text node value.
 * @returns Escaped XML-safe string.
 */
export declare function escapeXmlText(value: string): string;